12718517160438 has 24 divisors (see below), whose sum is σ = 27605733538968. Its totient is φ = 4231975511232.

The previous prime is 12718517160409. The next prime is 12718517160449. The reversal of 12718517160438 is 83406171581721.

It is a happy number.

12718517160438 is a `hidden beast` number, since 1 + 2 + 7 + 1 + 85 + 1 + 71 + 60 + 438 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 627506995 + ... + 627527262.

It is an arithmetic number, because the mean of its divisors is an integer number (1150238897457).

Almost surely, 2^{12718517160438} is an apocalyptic number.

12718517160438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12718517160438 is an abundant number, since it is smaller than the sum of its proper divisors (14887216378530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12718517160438 is a wasteful number, since it uses less digits than its factorization.

12718517160438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255034828 (or 1255034825 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 54.

The spelling of 12718517160438 in words is "twelve trillion, seven hundred eighteen billion, five hundred seventeen million, one hundred sixty thousand, four hundred thirty-eight".